Observations on the native silk-worms of North America.

Literary Mag. & Brit. Review pp. 6-9. 1793.

Description of several species of the Linnean genus Raia, of North America.

Mode of access: Internet.

Travels in some parts of North America, in the years 1804, 1805 & 1806 /

Mode of access: Internet.

The history of Oregon and California : and the other territories of the North-West coast of North America, accompanied by a geographical view and map of those countries, and a number of documents as proofs and illustrations of the history /

Includes index.

The geology of Pennsylvania; a government survey: with a general view of the geology of the United States, essays on coal-formation and its fossils, and a description of the coalfields of North America and Great Britain,

Vol. II, pt. I-II, paged continuously.

Grasses of North America.

Mode of access: Internet.

Prehistoric North America /

Series title at head of t. p.

Physiological and medical observations among the Indians of southwestern United States and northern Mexico,

Microfilmed for preservation.

The history of the United States of North America,

Mode of access: Internet.

The later extinct floras of North America /

Mode of access: Internet.

The history of the United States of North America,

Mode of access: Internet.

The silva of North America; a description of the trees which grow naturally in North America exclusive of Mexico,

Vol. 1 is 1894

Conference on Adaptive Ecosystem Restoration and Management--Restoration of Cordilleran Conifer Landscapes of North America : June 6-8, 1996, Flagstaff, Arizona /

"June 1996."

Monograph of the bombycine moths of North America, including their transformations and origin of the larval markings and armature.

Part 3 edited by Theodore D.A. Cockerell.

Biographical history of North Carolina from colonial times to the present;

"Limited to seven hundred and fifty registered and numbered sets."